linux-kernel - [tip:tracing/urgent] tracing/fastboot: Document the need of initcall

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Message-ID: <tip-238a24f626628cb16a3015f332d649f08246ca89@git.kernel.org>
Date:	Mon, 29 Jun 2009 08:24:31 GMT
From:	tip-bot for Li Zefan <lizf@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	fweisbec@...il.com, rostedt@...dmis.org, lizf@...fujitsu.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:tracing/urgent] tracing/fastboot: Document the need of initcall_debug

Commit-ID:  238a24f626628cb16a3015f332d649f08246ca89
Gitweb:     http://git.kernel.org/tip/238a24f626628cb16a3015f332d649f08246ca89
Author:     Li Zefan <lizf@...fujitsu.com>
AuthorDate: Mon, 29 Jun 2009 15:55:10 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 29 Jun 2009 10:22:10 +0200

tracing/fastboot: Document the need of initcall_debug

To use boot tracer, one should pass initcall_debug as well as
ftrace=initcall to the command line.

Signed-off-by: Li Zefan <lizf@...fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
LKML-Reference: <4A48735E.9050002@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/trace/Kconfig |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 1551f47..019f380 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -226,13 +226,13 @@ config BOOT_TRACER
 	  the timings of the initcalls and traces key events and the identity
 	  of tasks that can cause boot delays, such as context-switches.
 
-	  Its aim is to be parsed by the /scripts/bootgraph.pl tool to
+	  Its aim is to be parsed by the scripts/bootgraph.pl tool to
 	  produce pretty graphics about boot inefficiencies, giving a visual
 	  representation of the delays during initcalls - but the raw
 	  /debug/tracing/trace text output is readable too.
 
-	  You must pass in ftrace=initcall to the kernel command line
-	  to enable this on bootup.
+	  You must pass in initcall_debug and ftrace=initcall to the kernel
+	  command line to enable this on bootup.
 
 config TRACE_BRANCH_PROFILING
 	bool
--
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